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Cathode & Anode Tapes for Lithium-ion Batteries

While active powders define a battery’s potential, the electrode sheet is where that potential is realized. These precision-engineered coatings—composed of active materials, conductive additives, and binders on metal foil—act as the physical highway for lithium ions and electrons. For over two decades, NEI has bridged the gap between materials science and cell assembly. Beyond our powders, we provide a variety of standard and custom-coated electrode sheet, including different active material loadings and electrode configurations to meet your specific research needs.

Ready-to-Use Electrode Sheets

Streamline your battery development efforts and ensure consistent, reproducible results with NEI’s ready-to-use electrode sheets. We offer an extensive range of high performance cathode and anode materials, designed to maximize efficiency and performance. Here is a brief overview of our standard electrode sheets:

Browse our extensive and growing selection of Li-ion electrodes and find the ideal material for your energy storage requirements.

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Anode Electrode Sheets

Click on a product to learn more.

Cathode Electrode Sheets

Click on a cathode material below to learn more.

Standard Electrodes

Below is a brief overview of what you can expect from our standard electrode sheets. Please refer to the spec sheet of each material for detailed specifications.

  • Dimensions

    5 in x 10 in (127 mm x 254 mm)

  • Coating

    Single or double-sided; coated edge-to-edge

  • Current Collector

    Anode: Copper (10 µm thick); Cathode: Aluminum (16 µm thick)

  • Binder Type

    Aqueous (CMC/SBR), Non-aqueous (PVDF)

  • Quantities

    2, 5, 10, 25, 50, & 100 sheet increments

  • Packaging

    Electrodes are calendered, dried, & vacuum sealed

Customization Options

Don’t settle for a one-size-fits-all solution! NEI understands that your battery development needs are unique. That’s why we offer extensive customization options for our cathode and anode electrodes. For a nominal fee, our electrodes can be custom tailored to your specification, such as:

  • Active Material Loading

    Specify the active loading (mg/cm2) per side

  • Areal Capacity

    Specify the areal capacity (mAh/cm2) per side

  • Electrode Composition

    Modify the ratio of active material, conductive carbon, and binder

  • Binder Type

    Aqueous (CMC/SBR), Non-aqueous (PVDF)

  • Current Collector

    Aluminum, Copper, Carbon paper, Graphite foil, Titanium, or Stainless steel

  • Size / Format

    Modify the dimensions or length of sheets or rolls

  • Uncoated Tab Areas

    Specify the uncoated areas along the length

  • Matching

    Anodes can be matched to cathodes at your specified N/P ratio

Current Collectors

While focus is typically placed on the performance of the ‘active’ material, the current collector plays an essential role in electrode functionality. It must remain chemically stable—resisting corrosion and unwanted surface reactions—while ensuring the electrode remains well-adhered through thousands of charge-discharge cycles.

As non-traditional materials and aqueous electrolytes become more prevalent, standard copper and aluminum foils are not always sufficient. Depending on your specific application and active material, substrates such as carbon paper, graphite foil, titanium, or stainless steel may be required. NEI Corporation has developed specialized processes to deposit active materials on a wide variety of alternative current collectors, allowing you to customize your electrodes for optimal performance.

With NEI’s customizable electrode tapes, you have the power to create the perfect lithium-ion battery solution for your unique needs.

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Updated August 21, 2026

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